Esco Electrical Test questions With Complete Solutions!

What is current flow? - ANSWERD.The flow of electrons in a circuit What is impedance? - ANSWERA.Opposition to alternating current Like charges will - ANSWERB.Repel each other Any material that will readily release electrons is called: - ANSWERB.A conductor The symbol for current is: - ANSWERB. I Electricity can produce: - ANSWERD. All the above light heat magnetism The safety ground conductor is usually colored: - ANSWERB.Green An electron has: - ANSWERB.A negative charge Which of the following materials would be best suited for use as a semi-conductor? - ANSWERD.Silicon Which of the following meters must use internal power to check a load or circuit? - ANSWERA.Ohmmeter What would be the result if a 24 volt, 20 ohm contactor coil was wired in series with a 24 volt, 200 ohm control relay? - ANSWERB.Only the control relay would operate Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power supply. How many Watts are consumed? - ANSWERC. 2880 When testing a capacitor with an analog or digital ohmmeter, the meter should: - ANSWERB.Measure low resistance then return to a high reading